7868512 has 48 divisors (see below), whose sum is σ = 16405200. Its totient is φ = 3709440.

The previous prime is 7868503. The next prime is 7868521. The reversal of 7868512 is 2158687.

It is an interprime number because it is at equal distance from previous prime (7868503) and next prime (7868521).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56539 + ... + 56677.

It is an arithmetic number, because the mean of its divisors is an integer number (341775).

Almost surely, 2^7868512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7868512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8202600).

7868512 is an abundant number, since it is smaller than the sum of its proper divisors (8536688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7868512 is a wasteful number, since it uses less digits than its factorization.

7868512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 231 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 7868512 is about 2805.0868079259. The cubic root of 7868512 is about 198.8982080855.

The spelling of 7868512 in words is "seven million, eight hundred sixty-eight thousand, five hundred twelve".